Home / 12,743.08-17,608.26-9,969.64

Finding the Fourth Proportional to 12,743.08, 17,608.26 and 9,969.64

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Solution

The fourth proportional to 12,743.08, 17,608.26 and 9,969.64 is: 13,775.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743.08 : 17,608.26 = 9,969.64 : x
  2. Step 2: Convert to fraction form
    12,743.08/17,608.26 = 9,969.64/x
  3. Step 3: Cross multiply
    12,743.08x = 17,608.26 × 9,969.64
  4. Step 4: Simplify right side
    12,743.08x = 175,548,013.23
  5. Step 5: Solve for x
    x = 175,548,013.23/12,743.08
  6. Step 6: Final answer
    x = 13,775.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.